I could win you could win he could win we could win you could win they could win
Forma com V-ing
I could be winning you could be winning he could be winning we could be winning you could be winning they could be winning
Perfeito
I could have won you could have won he could have won we could have won you could have won they could have won
Perfeito com V-ing
I could have been winning you could have been winning he could have been winning we could have been winning you could have been winning they could have been winning
Negação
Forma simple
I couldn't win you couldn't win he couldn't win we couldn't win you couldn't win they couldn't win
Forma com V-ing
I couldn't be winning you couldn't be winning he couldn't be winning we couldn't be winning you couldn't be winning they couldn't be winning
Perfeito
I couldn't have won you couldn't have won he couldn't have won we couldn't have won you couldn't have won they couldn't have won
Perfeito com V-ing
I couldn't have been winning you couldn't have been winning he couldn't have been winning we couldn't have been winning you couldn't have been winning they couldn't have been winning
Forma interrogativa
Forma simple
could I win? could you win? could he win? could we win? could you win? could they win?
Forma com V-ing
could I be winning? could you be winning? could he be winning? could we be winning? could you be winning? could they be winning?
Perfeito
could I have won? could you have won? could he have won? could we have won? could you have won? could they have won?
Perfeito com V-ing
could I have been winning? could you have been winning? could he have been winning? could we have been winning? could you have been winning? could they have been winning?
Forma interro-Negação
Forma simple
couldn't I win? couldn't you win? couldn't he win? couldn't we win? couldn't you win? couldn't they win?
Forma com V-ing
couldn't I be winning? couldn't you be winning? couldn't he be winning? couldn't we be winning? couldn't you be winning? couldn't they be winning?
Perfeito
couldn't I have won? couldn't you have won? couldn't he have won? couldn't we have won? couldn't you have won? couldn't they have won?
Perfeito com V-ing
couldn't I have been winning? couldn't you have been winning? couldn't he have been winning? couldn't we have been winning? couldn't you have been winning? couldn't they have been winning?